112 KEY TO THE BIRDS OF EASTERN NORTH AMERICA. 
Section 4. Toes, four, without web; bill, over 1.10; and 
less than 1.90. 
Winter. 
ee Bill, decurved near tip; one or more of inner secondaries, 
a almost entirely white 5 wpper tail coverts, not white, barred with black ; 
ee legs and feet, black. Spring birds have black on the belly, and 
back, rufous brown and black. Fall birds have the belly white and 
back gray. Tringa alpina pacijica. Red=-backed Sandpiper. 
American Dunlin. 
See No. 198. 
Tringa alpina pacifica. 
